FPCN39 CWLW 291500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 29 MARCH 2000 FOR TODAY. VENTILATION INDICES AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/HR. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. SOUTHERN INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FRSR CANYON 96/GOOD 889 15 82/GOOD 1636 5 100/GOOD 1014 12 KAMLOOPS 100/GOOD 1461 21 100/GOOD 2100 13 100/GOOD 1697 16 OKANAGAN 100/GOOD 1234 19 100/GOOD 2131 15 100/GOOD 1744 13 CASTLEGAR 100/GOOD 1403 10 100/GOOD 2182 12 100/GOOD 2143 11 CRANBROOK 35/FAIR 1226 13 91/GOOD 2918 9 100/GOOD 2405 14 REVELSTOKE 74/GOOD 1143 8 100/GOOD 1839 11 100/GOOD 1859 9 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 9. W 19 NW 33 CRANBROOK 0 0 W 24 CENTRAL INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) QUESNEL 35/FAIR 859 13 100/GOOD 2197 8 100/GOOD 1291 13 100 MILE 100/GOOD 1789 18 100/GOOD 2532 8 100/GOOD 1988 7 WILLIAMS LK 38/FAIR 1440 14 81/GOOD 2502 5 85/GOOD 1725 9 PUNTZI MNT 40/FAIR 1225 14 100/GOOD 2329 9 100/GOOD 2074 22 PR. GEORGE 25/POOR 906 15 100/GOOD 2134 12 73/GOOD 1153 18 BURNS LAKE 69/GOOD 1167 16 100/GOOD 2006 18 100/GOOD 1890 33 SMITHERS 25/POOR 689 15 100/GOOD 1450 15 100/GOOD 1475 24 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 37 W 33 SMITHERS W 35 W 48 NORTHERN BC/YUKON *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FT NLSN 23/POOR 479 29 87/GOOD 1096 15 100/GOOD 2586 17 FT STJOHN 100/GOOD 1960 23 100/GOOD 2815 18 100/GOOD 2247 35 WHITEHORSE 76/GOOD 1080 22 100/GOOD 1433 28 100/GOOD 1490 29 DAWSON 26/POOR 483 28 100/GOOD 810 29 100/GOOD 861 24 WATSON LAKE 51/FAIR 1192 16 100/GOOD 1895 16 100/GOOD 2589 27 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 30 W 52 WATSON LAKE W 52 W 54 WHITEHORSE W 44 W 63 MAYO W 22 0 0 COAST *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) VANCOUVER 43/FAIR 446 21 60/GOOD 721 10 22/POOR 458 4 FRASER VLY 53/FAIR 641 13 60/GOOD 1284 5 59/GOOD 1126 8 SRN VRISL 65/GOOD 667 19 60/GOOD 896 4 21/POOR 327 2 CNTRL VRISL 70/GOOD 645 18 60/GOOD 1128 4 43/FAIR 898 3 NRN VRISL 43/FAIR 350 13 100/GOOD 945 21 60/GOOD 355 19 TERRACE 61/GOOD 628 15 100/GOOD 925 17 100/GOOD 1555 15 STEWART 35/FAIR 269 15 75/GOOD 179 19 57/GOOD 320 13 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 27 NW 30 W 28 SANDSPIT W 31 W 39 W 46 PORT HARDY W 20 W 31 W 39 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^